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Medicineworld.org: Anti-Aging Gene Linked to High Blood Pressure

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Anti-Aging Gene Linked to High Blood Pressure




Scientists at the University of Oklahoma Health Sciences Center have shown the first link between a newly discovered anti-aging gene and high blood pressure. The results, which appear this month in the journal Hypertension, offer new clues on how we age and how we might live longer.

Persistent hypertension, or high blood pressure, is a risk factor for stroke, heart attack, heart failure, arterial aneurysm and is the leading cause of chronic kidney failure. Even a modest elevation of arterial blood pressure leads to shortened life expectancy.



Anti-Aging Gene Linked to High Blood Pressure

Researchers, led by principal investigator Zhongjie Sun, tested the effect of an anti-aging gene called klotho on reducing hypertension. They observed that by increasing the expression of the gene in laboratory models, they not only stopped blood pressure from continuing to rise, but succeeded in lowering it. Perhaps most impressive was the complete reversal of kidney damage, which is linked to prolonged hypertension and often leads to kidney failure.

"One single injection of the klotho gene can reduce high blood pressure for at least 12 weeks and possibly longer. Klotho is also available as a protein and, conceivably, we could ingest it as a powder much like we do with protein drinks," said Sun, M.D., Ph.D., a cardiovascular expert at the OU College of Medicine.

Researchers have been working with the klotho gene and its link to aging since 1997 when it was discovered by Japanese scientists. This is the first study showing that a decline in klotho protein level appears to be involved in the progression of high blood pressure and kidney damage, Sun said. With age, the klotho level decreases while the prevalence of high blood pressure increases.

Scientists used one injection of the klotho gene in hypertensive research models and were able to markedly reduce blood pressure by the second week. It continued to decline steadily for the length of the project - 12 weeks. The klotho gene was delivered with a safe viral vector that is currently used for gene treatment. The virus is already approved by the U.S. Food and Drug Administration for use in humans.

Scientists are studying the gene's effect for longer periods to test its ability to return blood pressure levels to normal. They also are looking at whether klotho can prevent hypertension.


Posted by: Janet    Source




Did you know?
Scientists at the University of Oklahoma Health Sciences Center have shown the first link between a newly discovered anti-aging gene and high blood pressure. The results, which appear this month in the journal Hypertension, offer new clues on how we age and how we might live longer.

Medicineworld.org: Anti-Aging Gene Linked to High Blood Pressure

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